Question

1)resolva as equações:
a)y+ 5 =4
b)a + 5= -8
c)3z - 1=5 x -- 15
d)3 - X=5 X -- 15
e)8 + 4 X=6 X -- 4
f)8y + 7 -- y=0
g) 4 X -- 3 × + 8=11
h)13 X + 1 -- 10 ×= 5 + X ​

Answer 1

a)y=4-5
Y=(-1)
b)a=-8-5
a=-13

C)3x-5x=15+1
8x=16
X=16/8
X=2

D)-X-5x=15-3
-6x=12
X=12/-6
X=-2

E)4x-6x=4-8
-2x=-4
X=-4/-2
X=2

F)8y+y=-7
9y=-7
Y=-7/9


G)4x+3x=11-8
7x=3
X=3/7

H)13x+10x-x=5-1
22x=4
X=4/22